单选题
The senior senator has in the past three terms {{U}}both experienced{{/U}} the sweet taste of success and the bitterness of defeat in his legislation fights with his opponents.
【正确答案】
D
【答案解析】[分析] 副词应用。
“both...and...”表示“既……又……”,“both”应放在所修饰的词the sweet taste of success之前。